/*----当屏幕宽度小于745px----*/

@media screen and (max-width: 750px)
{
    .courses .course,
    .add-course
    {
        width: 100%;
        margin-right: 2%;
    }

    .courses .course a,
    .add-course a
    {
        padding: 2% 3%;
    }
}


/*对于二维码的处理*/

/*当屏幕宽度小于1312px时*/

@media screen and (min-width:1312px)
{
    .coursesTitle
    {
        float: left;

        width: 90%;
    }
}

@media screen and (max-width: 1312px)
{
    .qr
    {
        font-size: 16px;
        line-height: 30px;

        position: fixed;
        top: 145px;
        right: -15px;

        display: block;

        box-sizing: border-box;
        width: 30px;
        height: auto;

        cursor: pointer;
        text-align: center;
        text-decoration: none;

        color: white;
        border-radius: 5px;
        background-color: rgb(128, 185, 217);
    }

	.qr canvas{
    margin: 10px;
}

    .qr:hover
    {
        width: 120px;
        height: 120px;

        box-shadow: 0 2px 6px 0 rgba(255, 255, 255, .5);
    }
    .coursesTitle
    {
        width: 100%;
        margin-top: 30px;
    }
}
